41 Drivetrain parts are listed for the 2019 Ford Flex, in 15 part types, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2019 Ford Flex, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are CV Axle (15 parts), Gear Oil (7 parts) and Transfer Case Fluid (5 parts). The other 12 part types cover the remaining 14 parts.
The 2019 Ford Flex was sold with both the 3.5L V6 and the 3.5L V6 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
14 brands supply drivetrain parts for the 2019 Ford Flex, led by VALVOLINE (10 parts), MOTORCRAFT (4 parts) and GSP (4 parts), plus 11 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 Ford Flex. 6 parts have it, including APWI FD8413 (CV Axle) and MOBIL 104361 (Gear Oil). Each part number opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.5L V6 Turbocharged | 13622A | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the seals where an axle shaft exits the housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2019 Ford Flex — SKF 13622A.
Axle Shaft Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 Turbocharged | 600229 | 🇺🇸 US 🇨🇦 CA | AWDAxle Installation Tool | View on Amazon |
This table covers the Axle Shaft tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: DORMAN 600229.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Popular Fits: 3.5L V6 Turbocharged | FD8413 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| MOTORCRAFT Popular Fits: 3.5L V6 Turbocharged | TX834 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| TOP NOTCH Popular Fits: 3.5L V6 Turbocharged | TN40021 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| APWI Fits: 3.5L V6 Turbocharged | FD8506 | 🇺🇸 US 🇨🇦 CA | Rear RightAWD | View on Amazon |
| APWI Fits: 3.5L V6 Turbocharged | FD8412 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| CARDONE Fits: 3.5L V6 Turbocharged | 662254 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Fits: 3.5L V6 Turbocharged | NCV11177 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| GSP Fits: 3.5L V6 Turbocharged | NCV11190 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| GSP Fits: 3.5L V6 Turbocharged | NCV11030 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Fits: 3.5L V6 Turbocharged | NCV11531 | 🇺🇸 US 🇨🇦 CA | Front Rightwith intermediate shaft | View on Amazon |
| MOTORCRAFT Fits: 3.5L V6 Turbocharged | TX1174 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| TOP NOTCH Fits: 3.5L V6 Turbocharged | TN40117 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| TOP NOTCH Fits: 3.5L V6 Turbocharged | TN40130 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| TRAKMOTIVE Fits: 3.5L V6 Turbocharged | FD8331 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.5L V6 Turbocharged | FD8257 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
15 CV Axle parts are listed for the 2019 Ford Flex, from GSP, APWI, TOP NOTCH and 3 other brands. APWI FD8413 carries the "Popular" badge.
CV Axle Support Bearing Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 3.5L V6 Turbocharged | CVB3 | 🇺🇸 US 🇨🇦 CA | Bearing Bracket | View on Amazon |
This table covers the brackets that mount the CV Axle Support Bearing. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
This group shows a single part: MOTORCRAFT CVB3.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Fits: 3.5L V6 Turbocharged | FD3517 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
This table covers the CV Intermediate shafts.
This group shows a single part: TRAKMOTIVE FD3517.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 3.5L V6 Turbocharged | TS221 | 🇺🇸 US 🇨🇦 CA | Rear Inner and OuterAWD | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
One part is listed for the 2019 Ford Flex — MOTORCRAFT TS221.
Differential Carrier Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.5L V6 Turbocharged | JLM506849 | 🇺🇸 US 🇨🇦 CA | with 2.1654 In. Bearing Inside Diameter | View on Amazon |
This table covers the bearings and races that support the differential carrier.
One part is listed for the 2019 Ford Flex — SKF JLM506849.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.5L V6 Turbocharged | 17660A | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN Fits: 3.5L V6 Turbocharged | SL260556 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
This table covers the seals at the differential pinion yoke. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Differential Pinion Seal parts are listed for the 2019 Ford Flex, from SKF and TIMKEN.
Listed part numbers: SKF 17660A and TIMKEN SL260556.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 Turbocharged | 936848 | 🇺🇸 US 🇨🇦 CA | Length: 89.25"OE Fix | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.5L V6 Turbocharged | WDS36848 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
2 Drive Shaft parts for the 2019 Ford Flex come from 2 brands — DORMAN and WJB / INMOTION PARTS.
This group includes DORMAN 936848 and WJB / INMOTION PARTS WDS36848.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 3.5L V6 Turbocharged | 104361 | 🇺🇸 US 🇨🇦 CA | Synthetic Gear Lube Limited Slip 75W-901 Quart | View on Amazon |
| VALVOLINE Popular Fits: 3.5L V6 Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | VV820 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | VV822 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
7 Gear Oil parts are listed for the 2019 Ford Flex, from VALVOLINE and MOBIL. MOBIL 104361 carries the "Popular" badge.
Listed part numbers: MOBIL 104361, VALVOLINE VV975 and VALVOLINE VV820, plus the other parts above.
Power Take Off (PTO) Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 Turbocharged | 600238 | 🇺🇸 US 🇨🇦 CA | AWD | View on Amazon |
This table covers the Power Take Off (PTO) assemblies.
One part is listed for the 2019 Ford Flex — DORMAN 600238.
Transfer Case Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 3.5L V6 Turbocharged | V252274 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transfer Case assemblies.
One part is listed for the 2019 Ford Flex — VAICO V252274.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 3.5L V6 Turbocharged | VV982 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-14 0 Gear Oil1 Quart | View on Amazon |
| MOBIL Fits: 3.5L V6 Turbocharged | 102490 | 🇺🇸 US 🇨🇦 CA | Synthetic Gear Lube Limited Slip 75W-14 0Mobil 1 Synthetic Gear Lubricant LS 75W-14 0 | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 889787 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-14 0 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 887344 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-14 0 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | VV981 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-14 0 Gear Oil5 Gallon | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
5 Transfer Case Fluid parts are listed for the 2019 Ford Flex, from VALVOLINE and MOBIL. VALVOLINE VV982 carries the "Popular" badge.
This group includes VALVOLINE VV982, MOBIL 102490 and VALVOLINE 889787 and the remaining parts above.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 3.5L V6 Turbocharged | 711140 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
This table covers the seals at the Transfer Case Input Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: NATIONAL 711140.
Transfer Case Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 3.5L V6 Turbocharged | 711139 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
This table covers the seals at the Transfer Case Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2019 Ford Flex — NATIONAL 711139.
Buying Drivetrain Parts for a 2019 Ford Flex
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Axle and Gear Oil .
Frequently Asked Questions
How many drivetrain parts fit the 2019 Ford Flex?
Our catalog currently lists 41 drivetrain parts for the 2019 Ford Flex across 15 subcategories and 14 brands, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2019 Ford Flex engines?
Yes. Every drivetrain part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 2019 Ford Flex?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2019 Ford Flex was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2019 Ford Flex?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2019 Ford Flex
Drivetrain Parts for Other Ford Flex Years
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